Electrical trolley-replacer.



APPLICATION FILED MAY 4, 1908.

Patented Feb. 9, 1909.

2 SHEETSSHBET 1.

lvmzutoz .L. SPARKS. ELECTRICAL TROLLEY REPLAGER.

APPLICATION FILED MAY 4, 1903.

91-1 5847. Patented Feb. 9, 1909.

2 SHEETS-SHEET 2.

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HUBERT L. SPARKS, or PALESTINE, TEXAS, AssieNoa or ONE-HALF To r. n. or LONGVIEW, TEXAS.

MoCONNELL,

ELEGTRIGAL TBOLLE Y-REPLAGER.

Specification of Letters Patent.

Patented at. e, 1909.

Application filed may a, 1908. Serial No. 4530,639-

To all whom it may concern: 7

Be it known thatl, Honnnr Lonnnzo SPARKs,a citizen of the United States, re-

siding at Palestine, in the county of Auden I same.

The invention, about to be set forth pertains to a new and useful electric automatic trolleyreplaoer.

The invention in its basic principles resides particularly in a device of this character by which the trolley is automaticallz and electrically replaced, in enga ement wit the trolley wheel, as will be readi y manifest.

The invention directs as a further object to provide means comprising new and useful combinations ofparts and features, the arrangement and operation of which being such as will enable the trolley to be automatically and electrically replaced upon the trolley Wheel, by the openingpf the circuit between the car and the trolley, as will be evident.

The invention cites as a further. object to provide such a device having a solenoid or magnet, and by the opening oi saidcircuit the solenoid or magnet will be dene-rgized, thus causing certain mechanical parts and features of the invention to operate, which readily, replaces the trolley. By opening the said circuit and decnergiziug said solenoid or ina net, a valve is automatically opened whi h allows compressed air to enter pole, in which cylinder a suitable piston is disposed, which is forced upward by the com ressed 21,11 thus causing pivotal arms or, evcrs to restore or replace the trolley, after which replacement the said circuit is again c osed, which energizes the solenoid, so that its core will be sucked therein, which closes said valve, thereby cutting oil the supply of compressed air, thus allowing the piston.

within the cylinder to be restored to its normal spri This invention com rises further obects and combinations of e ements which wi 1 be hereinafter more fully described, shown in the accompanying drawings, and the novel position, by the expansion of a suitable features thereof will be pointed out by the appended claims.

he features, elements and the arrange ment thereof, which constitute the above entitled invention, may be changed and varied,'that is to say, in an actual reduction to practice, with the understanding that the changes and variations accruing from said reduction to ractice are limited to the scope of the appended claims.

To obtain a full and correct understai'iding of the details of construction, combinations of features, elements and advantages, reference is to be had to the hereinafter set forth description and the accompanying drawings in connection therewith, wherein l' igure 1 is a side elevation of the upper portion of a car, showing a suitable trolley pole, wheelandwire, which trolley pole is provided with thenew and useful trolley replacer. Pig. 2 is an enlarged sectional view through the lower portion of the trolley pole, and its connection to the car. tig. 13 is. an enlarged sectional view of the upper portion of the trolle T pole, clearly illustrating the cylinder t erein and its piston. l ig. 4 is a sectional view on line 4 4. of Fig. 1, clearly illustratin the contour of the arms or levers for replacing the trolley. Big. 5 is a detail perspective view of said arms or levers, showing its connection with relation to the shaft or pin of (hot-roller wheel.

In regard to the drawings, wherein similar reference characters indicate corresponding parts in the several illustrations, by figures,

;. 1 designates the'upper portion of a car, to a cylinder, forming a section of the trolley which the usual connection 2 for the trolley pole 3 is connected, as seen clearly in Fig. l of the drawings. The trolley pole 3 00111- prises three sections, desi nated respectively by the numerals 4, 5 and 6, as seen clearly in Pig. 2. Between the sections a and :3 a casing 7 is interposed, which is connected-to the sections 4 and 5 by threaded unions, seen at 8.

Disposed in the upper right hand portion of said casing 7 is a section of piping 9, in which a suitable valve 10 is rovided, by the'opem'ng or closing of whic the admis sion or the out-oii of compressed air is controlled, which compressed air when admitted asses through the section 5 into the cylinoer i], which is connected by threaded 1 1111111 Lhv 1. 1111 1 111M rad 1811111111 .10. trolley prognutu'm 35 W11] .h the s 1d seen clearly 10111;; with oiecmon 37 is {01111011, 75 ...11d

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other is 11m ring 16 i y to draw the the 1d h it dad,

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. t0 the said sec mly 111 the drawn pward when the solm'mid opening said valve.

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and 1150 covu'ed, 1

ugh the re the atmosp 'Ih comm'cssed 1 are owev end piston g its 1s to be seen that 1f 1t dink. 29 3111;; the upward, but also piston '32 dufin sprin 1 the 111515012 uplevers 01' warms e 111311111111 11":

dmvwhags. acent to 113s 1 ng o ' pumose fdI'Ci sci'liati hgh 33, which connect saiddev $10111 the adj emen't-al piston 01' ts inforc me "he 0 (3,1151 1-011 1d the link ivcn'fatnd 130051 pl'ovided 1 supp t only agsis pistoiyrod said rod 01" .Jtte

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elements and the operation of the device, together with the simplicity thereof, will be clearly apparent.

'l he circuit between the trolley and the car is conducted through the controller box and other electrical apparatus (not shown) in the usual way, and the parts of the trolley re,- placing mechanism are insulated at the proper places, so as to prevent short circuiting.

Having thus fully described the invention, what is claimed as new and useful, by the protection of Letters Patent, is

. 1. In a trolley replacer, a trolley pole comprising a plurality of sections, a trolley wire, a trolley wheel to engage therewith, compressed air actuated means for replacing the trol ey wheel when it leaves the wire, electrically controlled means for allowing the compressed air operated means to be actuated.

2. In a trolley replacer, a hollow trolley pole, a trolley wheel, a trolley wire, said pole raving a cylinder therein, a piston mounted therein to be actuated by compressed air, a valve for controlling the admission of compressed air, means 0 erated by. said piston [or replacing the tro ley wheel, electrically controlled means for controlling said valve.

3. In a trolley replacer, a trolley wheel, a wire to engage therewith, a trolley pole, pivoted arms carried by the trolley pole, a

cylinder, a piston mounted therein, means connecting said piston and said arms, a

valve for controlling the admission of compressed, air to said cylinder, means actuated by a solenoid for closing said valve, and resilient means for opening said valve when the solenoid is denergize V 1 4. In a trolley replacer, a trolley pole, a trolley wheel, a trolley wire to be engaged thereby, said trolley pole having pivoted arms, a compressed air actuated piston having means for connection to said arms, a

valve controlling the admission of com-' wire into cooperation, and electrical means for controlling the pneumatically operated means. I

In testimony whereof I have signed my name to this specification in the presence'of two subscribing witnesses.

HUBERT L. SPARKS. Witnesses C. W. HANKs, BEN-T. BROWN.

tomatically replacing the trolley wheel and 

